html,body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
}

div.index-row {
  padding: 5px;
  cursor: pointer;
  &:hover {
    background-color: #333;
  }
}

div.navBar {
  display: flex;
  justify-content: center;
  border-bottom: 1px solid #ddd;
  margin-bottom: 2em;
  padding: 1em;
  & > span {
    flex: 1;
    text-align: center;
    font-size: 20pt;
  }
}
div.navBarBottom {
  margin-top: 2em;
  border-top: 1px solid #ddd;
  display: flex;
  justify-content: center;
  padding: 1em;
}

button {
  background-color: #333;
  color: #ccc;
  padding: 4px 10px;
  border: none;
  &:hover {
    background-color: #555;
  }
}

div#chapterContent {
  line-height: 150%;
}